Initiatives
IERC - Internet of Things European Research Cluster http://www.internet-of-things-research.eu/index.html
The 2012 Cluster-Book
"The Internet of Things 2012 New_Horizons" http://www.internet-of-things-research.eu/pdf/IERC_Cluster_Book_2012_WEB.pdf
Books and Papers
Interet of Things Comic
http://www.alexandra.dk/uk/services/publications/documents/iot_comic_book.pdf
Companies
Xively
Xively (formerly Cosm and before that Pachube (pronounced Patch bay)) is an on-line database service allowing developers to connect sensor-derived data (e.g. energy and environment data from objects, devices & buildings) to the Web and to build their own applications based on that data.(quote from http://en.wikipedia.org/wiki/Xively).
https://xively.com/dev/help (ex pachube)